Observed changes

Returns the live Bitcoin mempool backlog card history

Each snapshot was taken when LocalMark first stored the card or observed a change. Earlier versions cannot be reconstructed. These are publisher-declared details, not independently confirmed claims.

First stored snapshot · 17 Oct 2026, 12:18 UTC

Source: https://bitcoin-mempool-congestion.hergertsynthora.com/.well-known/agent-card.json

This is the first stored version for this card URL.